Skip to weather
weather.ws

Jiangsu, China

Zhangzhu · Air quality

Saturday, Nov 14 · Asia/Shanghai

Zhangzhu air quality

US air quality index

145

Unhealthy for sensitive groups

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150Current category
  4. Unhealthy151–200
  5. Very unhealthy201–300
  6. Hazardous301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

All pollutants

PM1
30 µg/m³
PM2.5
32 µg/m³
PM10
33 µg/m³
Ozone
52 µg/m³
Nitrogen dioxide
29.7 µg/m³
Sulfur dioxide
4.7 µg/m³
Carbon monoxide
449.3 µg/m³
European AQI (separate scale)
5